Downtown Washington Inc. CPU

located in the historic “Old Main Post Office”serving your postal needs since November 1, 1922.

CPU

This location is a Contract Postal Unit (CPU) of the United States Postal Service (USPS), and we can do almost everything that the Post Office does at the same price, but a portion of your purchase stay here in downtown Washington.

PURCHASES REINVESTED

Since we are an independant contractor for USPS, we earn commission. Therefore, when you purchase stamps here 9% is reinvested into downtown Washington and packages reinvest 20%!

USPS Services

We offer all postal services at the same prices as USPS, Except processing passports and postal money orders.

Utility Payments

We accept many utility payments such as Ameren, Laclede Gas, Missouri Natural Gas AT&T and many others. The payments must be made in cash and carry fees ranging from $1.00 - $5.00 depending on the service.

LOCATION and Hours

123 Lafayette Streetcorner of Second and Lafayettepostoffice@downtownwashmo.org636-239-1743

Keep your home address private and important documents and communications confidential, giving you peace‑of‑mind. You can rest assured your deliveries are safe and secure. If a package is too large to fit in your PO Box, it will be held at the Post Office location.